Sr Linux System Administrator

In the role of Sr. Linux System Administrator, you will be integral to managing and optimizing our customer's Software Engineering environment. Your expertise in system administration and architecture will ensure the reliability and performance of our systems, including RHEL and AWS environments. You will leverage your skills in PowerShell, MongoDB, and DevOps practices to enhance our service-oriented architecture. Additionally, your knowledge of security protocols such as RBAC and VPN will be vital in maintaining a secure and efficient operational framework. Join us to drive innovation and excellence in our technology landscape.

Qualifications

Extensive experience in system administration and IT infrastructure management

Proficiency in RHEL and PowerShell scripting

Strong understanding of system architecture and design principles

Familiarity with AWS services and DevOps practices

Experience with MongoDB and NoSQL databases

Knowledge of Active Directory, SSO, and RBAC implementations

Understanding of networking concepts, including VPN and firewall configurations

Experience with load balancing and VMWare environments

Tasks and expected skills include but are not limited to:

Break/Fix support for the customer's software engineering Infrastructure

Support CSfC solution

Continuous improvement and automation of Domain Services

Collaboration within a cross-functional team for task execution

Automate software updates and provide support of OS/applications upgrades, ensuring that any manual repetitive tasks, such as application installation or upgrades, can be streamlined through the use of scripts, such as PowerShell or Ansible.

Definition of technical requirements based on existing capabilities.

Participate in the continuous improvement of the customer-facing portal by offering recommendations, enriching content, introducing new content, and suggesting improvements to business process. Documentation of processes or how-tos for future reference and service desk support

Conduct an analysis and define future equipment needs, exploring the viability of an engineered solution where applicable.

Reporting and monitoring the health and performance of servers.

Provide assistance for on-premises lab activities, encompassing hardware upgrade and maintenance support.

Management, monitoring, and resolution of infrastructure project tickets with automation focus

Support systems sustained in the SE2 environment(s) (hybrid cloud, on-prem)

Assist in the migration of both pre-existing or new systems.

Technical work necessary to sustain existing SE2 Environment using automated technologies such as JIRA, Confluence, GitLab, Bitbucket, Nexus, Jenkins, Selenium, Fortify, SonarQube, CodeDX, MS Azure, Azure DevOps, Linux, Windows Server, Ansible, Terraform, Active Directory, and Amazon Web Services

Continuous technical support for addressing problems with connections/migrations.

Documentation of customer needs as functional and technical requirements.

Definition of technical requirements based on user stories or functional requirements.

Creation and maintenance of customer artifacts supporting lab agreements, interconnects, and maintenance support.

 Technologies include but not limited to:

Webservices (IIS Apache, Apache Tomcat)

Microsoft Windows Server Operating Systems (2019, 2022)

Microsoft Windows 11

Citrix Netscaler

Virtual Desktop Infrastructure (VDI)

Trellix

Directory of Services: Active Directory, DNS, Site and Services

Linux: RHEL, CentOS, Ubuntu

Database but not limited to: SQL, Postgres, MongoDB

VMWare

Git

SEIM: Graylog

Real-time monitor not limited to: Zabbix

Data Backup but not limited to: Veeam, Exagrid

Storage but not limited to: Netapp, 3PAR, Nimble

Single Sign On but not limited to: ADFS

Certificate Authority

Cloud Architecture (AWS & Azure)

Cloud Engineering (Azure)

Azure DevOps Server / Azure DevOps

Terminal Servers

SE2 Technologies

GOTs/COTs products